control

else

Separates if false branch.

core0x05

Syntax

else

Stack Effect

N/A

Opcode

Hex: 0x05
Decimal: 5
Bytes: [0x05]
Encoding: 0x05
Category: control

Browser Support

Core WebAssembly instruction.

Validation Rules

Operands and result types must match the instruction signature.
The instruction must appear in a valid structured control context.

Common Mistakes

Using the instruction with the wrong operand type.
Forgetting that WAT validation is stack-typed.

Example

(func $example
  ;; else example
)